MAX1854

High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning

Voltage-Positioned CPU Power Supply, Accurate Current Sense

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Part Details

  • High-Efficiency Voltage Positioning
  • Quick-PWM Architecture
  • ±1% VOUT Line-Regulation Accuracy
  • Adjustable Output Range (5-Bit DAC)
    • MAX1716: 0.925V to 1.6V
    • MAX1854: 0.925V to 2.0V
    • MAX1855: 0.600V to 1.75V
  • 2V to 28V Input Range
  • 200/300/400/550kHz Switching Frequency
  • Output Undervoltage Protection
  • Overvoltage Protection (MAX1716/MAX1855)
  • Drive Large Synchronous-Rectifier MOSFETs
  • 1.7ms Digital Soft-Start
  • 700µA ICC Supply Current
  • 1µA Shutdown Supply Current
  • 2V ±1% Reference Output
  • VGATE Transition-Complete Indicator
  • Small 24-Pin QSOP Package
MAX1854
High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning
MAX1716, MAX1854, MAX1855: Typical Operating Circuit
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Hardware Ecosystem

Parts Product Life Cycle Description
External Power Switch Buck Controllers 2
MAX1714 PRODUCTION High-Speed Step-Down Controller for Notebook Computers
MAX1711 PRODUCTION High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs
Product 1
MAX1710 High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs
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